O. V. KUCHMAEVA, O. A. MAKHOVA, and E. N. KLOCHKOVA, “THE MOBILITY OF PEOPLE WITH DISABILITIES: STATISTICAL CHARACTERISTICOF THE SITUATION”, ГС, vol. 21, no. 3, pp. 101–106, May 2019, doi: 10.22394/2070-8378-2019-21-3-101-106.